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Finding the Third Proportional to 3,220,775.16 and 7,000,662.94

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Solution

The third proportional to 3,220,775.16 and 7,000,662.94 is: 15,216,610.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,220,775.16 : 7,000,662.94 = 7,000,662.94 : x
  2. Step 2: Convert to fraction form
    3,220,775.16/7,000,662.94 = 7,000,662.94/x
  3. Step 3: Cross multiply
    3,220,775.16x = 7,000,662.94 × 7,000,662.94
  4. Step 4: Simplify right side
    3,220,775.16x = 49,009,281,564,486.12
  5. Step 5: Solve for x
    x = 49,009,281,564,486.12/3,220,775.16
  6. Step 6: Final answer
    x = 15,216,610.66

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.